New upstream version 5.4upstream

1 files changed, 10 insertions, 4 deletions

diff --git a/src/opt.c b/src/opt.c
index 118c159..6e3d032 100644
--- a/src/opt.c
+++ b/src/opt.c
@@ -7,6 +7,9 @@
  *	General Public License as published by the Free Software Foundation;
  *	either version 2.1 or (at your option) any later version.
  */
+#ifdef HAVE_CONFIG_H
+#	include "config.h"
+#endif
 #include <errno.h>
 #include <limits.h>
 #include <stdbool.h>
@@ -15,6 +18,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#ifdef HAVE_STRINGS_H
+#	include <strings.h>
+#endif
 #include <libHX/ctype_helper.h>
 #include <libHX/deque.h>
 #include <libHX/map.h>
@@ -561,13 +567,13 @@ static int HX_getopt_long(const char *cur, struct HX_getopt_vars *par)
 		return -EINVAL;
 	}
 	*value = '\0';
-	value = strchr(cur, '=');
-	if (value == nullptr) {
+	const char *cvalue = strchr(cur, '=');
+	if (cvalue == nullptr) {
 		/* Cannot happen either */
 		free(key);
 		return -EINVAL;
 	}
-	++value;
+	++cvalue;
 	par->cbi.current = lookup_long_pfx(par->cbi.table, key + 2);
 	if (par->cbi.current == &HXopt_ambig_prefix) {
 		ret = HX_getopt_error(HXOPT_E_AMBIG_PREFIX, key, par->flags);
@@ -591,7 +597,7 @@ static int HX_getopt_long(const char *cur, struct HX_getopt_vars *par)
 
 	free(key);
 	par->cbi.flags    = HXOPTCB_BY_LONG;
-	par->cbi.data     = value;
+	par->cbi.data     = const_cast(char *, cvalue);
 	/*
 	 * Not possible to use %HXOPT_I_ASSIGN due to transience of @key. Thus
 	 * manually call do_assign now rather than in the superordinate